/Engine/Plugins/Developer/Concert/ConcertSync/ConcertSyncCore/Source/ConcertSyncCore/Public/IConcertFileSharingService.h
Copies all the bytes contained in the archives in a uniquely named file stored in the service directory for sharing.
True if the file was published successfully.
bool Publish ( [FArchive](API\Runtime\Core\Serialization\FArchive) & SrcAr, [FString](API\Runtime\Core\Containers\FString) & OutFileId )